Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Actinella punctata Lewis Labrador, Canada (LAB) 0.20 0.55 2.20
Cyclotella ocellata Pantocsek Labrador, Canada (LAB) 0.20 0.80 2.20
Cymbella gracilis (Ehrenberg) Kützing Northern Quebec (QUE) 0.20 0.75 2.20
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Northern Quebec (QUE) 0.20 0.76 2.20
Eunotia hemicyclus (Ehrenberg) Karsten Northern Quebec (QUE) 0.20 0.63 2.20
Eunotia paludosa var. trinacria (Krasske) Nörpel Labrador, Canada (LAB) 0.20 0.92 2.20
Fragilaria pinnata var. lancettula (Schumann) Hustedt Northern Quebec (QUE) 0.20 1.03 2.20
Navicula obsoleta Hustedt Northern Quebec (QUE) 0.20 0.49 2.20
Nitzschia frustulum (Kützing) Grunow Northern Quebec (QUE) 0.20 0.68 2.20
Achnanthes dydima Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.74 2.19
Stauroneis smithii var. minima Taimyr Peninsula, Russia (TAI) 0.30 0.91 2.19
Navicula cf. obsoleta YUK-YEL CDD Yellowknife area, Northwest Territories, Canada (YEL) 2.18 2.18 2.18
Achnanthes sp. impexiformis/impexa CDD_FM Lena River, Russia (LEN) 0.29 0.75 2.17
Navicula similis Krasske Lena River, Russia (LEN) 0.29 0.93 2.17
Navicula ventralis Krasske Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.80 2.17
Sellaphora laevissima (Kützing) Mann Bylot Island, Nunavut, Canada. (BYL) 0.19 0.92 2.17
Achnanthes didyma Hustedt Abisko, Sweden (ABK) 0.21 0.66 2.16
Achnanthes laterostrata Hustedt Northern Sweden (SWE) 0.18 0.73 2.16
Encyonopsis descripta (Hustedt) Krammer Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.02 2.16
Cymbella botellus Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.19 1.05 2.15
Synedra tenera Smith Northern Sweden (SWE) 0.15 0.70 2.15
Pinnularia appendiculata (Agardh) Cleve Abisko, Sweden (ABK) 2.14 2.14 2.14
Tabellaria ventricosa Kützing Lena River, Russia (LEN) 2.14 2.14 2.14
Amphora inariensis Krammer Northern Sweden (SWE) 0.36 1.24 2.12
Navicula bacilloides Hustedt Lena River, Russia (LEN) 0.62 1.23 2.12
Navicula disjuncta Hustedt Abisko, Sweden (ABK) 0.25 0.99 2.12
Navicula elginensis (Gregory) Ralfs Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.01 2.12
Navicula libonensis Schoeman Lena River, Russia (LEN) 2.12 2.12 2.12
Navicula seminuloides Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.94 2.12
Navicula sp. subhamulata/fracta YUK Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.26 2.12
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